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In the distillation column with a feed flow rate of 1 5 0 kmol / h , it is desired that 9 5 % of

In the distillation column with a feed flow rate of 150 kmol/h, it is desired that 95% of the B component be taken from the peak flow and 95% of the C component from the base flow. Feed current mole fractions and relative volatility values of the four-component system are given in the table below. It is known that the column feed stream is saturated liquid. For this design:
a) Identify light and heavy key components.
b) Calculate the flow rates and component fractions of the peak and base flows.
c) Calculate the minimum number of shelves, Nmin.
d) Calculate the minimum rift rate, Rmin.
e) Calculate the number of shelves, N, where R =1.2 x Rmin.
f) Calculate the location of the feeding shelf, NF\table[[,\table[[Feed Flow],[Rate]],\table[[feed],[relative],[volatility]]],[A,0.10,3.9],[B,0.35,2.5],[C,0.30,1.6],[D,0.25,1.0]]
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